Learner Tien 2025: Net Worth, Career Earnings, Endorsements

At just 19 years old, Learner Tien has become one of tennis’s most exciting young stars. Bursting onto the scene with a fearless upset over former world No. 1 Daniil Medvedev at the 2025 Australian Open, Tien’s rapid rise reflects raw talent, grit, and a refreshing love for the game. From winning junior titles to climbing into the ATP Top 70, his journey is a blend of early promise and relentless drive.

This article breaks down his net worth, career earnings, endorsements, and the milestones that define his burgeoning career.

Learner Tien’s Biography

Early Career

Learner Tien’s tennis journey began at a remarkably young age in Irvine, California. Born to Vietnamese-Chinese parents, he picked up a racquet almost as soon as he could walk. By age five, Tien had already clinched his first tournament victory at the Racquet Club of Irvine, foreshadowing his future success. As a junior player, he quickly rose through the ranks, dominating the circuit with his left-handed playing style and mental toughness.

His junior career reached its pinnacle in 2023 when he made it to the singles finals of both the Australian Open and US Open Junior Championships. That same year, he claimed the Australian Open doubles title alongside partner Cooper Williams. These achievements propelled him to a career-high ITF junior ranking of No. 4. However, Tien’s path wasn’t without challenges.

At 14, he briefly stepped away from tennis, grappling with burnout and questioning his commitment to the sport. This hiatus proved crucial, allowing him to rediscover his passion for the game and return with renewed focus. In 2023, Tien briefly attended the University of Southern California as the nation’s top recruit, balancing academics with tennis before making the decision to turn professional.

Professional Career

Learner Tien’s professional career began in earnest in 2023, but he had already made waves a year earlier. At just 16, he became the youngest player since 2005 to compete in the US Open main draw after winning the 2022 USTA Boys 18s National Championship. Though he lost in the first round, this experience fueled his ambition. 2024 marked his breakthrough year, with Tien claiming three ATP Challenger titles in Bloomfield Hills, Las Vegas, and Fairfield.

This feat made him the fourth American teenager after Taylor Fritz and Andy Roddick to achieve such success. His Fairfield final against Bernard Tomic lasted a mere 39 minutes, setting a record for the shortest Challenger title match. These victories catapulted him into the Top 125 and secured him a spot at the 2024 Next Gen ATP Finals. The 2025 Australian Open solidified Tien’s status as a rising star.

Ranked No. 121, he qualified for the main draw and stunned fifth-seeded Daniil Medvedev in a grueling 4-hour, 50-minute marathon. He then defeated Corentin Moutet to become the youngest American since Pete Sampras in 1990 to reach the fourth round of a Grand Slam. Although he eventually fell to Lorenzo Sonego, his ranking surged to No. 66. A month later, Tien continued to impress by upsetting world No. 2 Alexander Zverev at the Mexican Open, further cementing his ability to compete with elite players.

His game is characterized by agile footwork, precise baseline strokes, and remarkable mental composure under pressure. Coach Eric Diaz has praised Tien’s calmness, noting his ability to find ways to win even on challenging days.

Learner Tien’s Net Worth Details

Learner Tien’s net worth is estimated to be between $1.2 million and $1.5 million as of 2025.

Career Earnings

Endorsements

Learner Tien’s rising profile in professional tennis has attracted attention from major sports brands, resulting in several endorsement deals. His primary sponsorships are with Adidas for apparel and footwear, and Wilson for tennis racquets. These partnerships have been crucial in supporting Tien’s professional career, providing him with high-quality equipment and clothing for his matches and training.

As Tien’s career continues to flourish, particularly after his impressive performances at the 2025 Australian Open and Mexican Open, there’s potential for him to secure additional sponsorships or expand his existing deals.

Career Stats

FAQs

1. Who is Learner Tien?

Learner Tien is a 19-year-old American professional tennis player born on December 2, 2005, in Irvine, California. He gained international recognition after defeating former world No. 1 Daniil Medvedev in the second round of the 2025 Australian Open. Known for his left-handed playing style and two-handed backhand, Tien has achieved a career-high ATP singles ranking of No. 66 as of March 2025.

2. What is Learner Tien’s ethnicity and family background?

Learner Tien is of Vietnamese ethnicity. His parents, Khuong Dan Tien and Huyen Tien, emigrated from Vietnam to the United States. His mother is a retired math teacher, while his father is a real estate lawyer. His sister, Justice, was named after his father’s profession. The family resides in Irvine, California.

3. How did Learner Tien start his tennis career?

Tien began playing tennis as a toddler and won his first tournament at age five at the Racquet Club of Irvine. His junior career was highly successful, with a record of 76–23 in singles and two junior Grand Slam finals appearances in 2023. He also won the Australian Open junior doubles title that year before turning professional.

4. What are Learner Tien’s major achievements in professional tennis?

Tien became the youngest American Challenger champion since Frances Tiafoe by winning his first Challenger title at the Cranbrook Tennis Classic in 2024. He later claimed two more Challenger titles and reached the final of the Next Gen ATP Finals that same year. His victory over Daniil Medvedev at the 2025 Australian Open marked his breakthrough into the Top 100.

5. What is Learner Tien’s playing style?

Tien is a left-handed player with a two-handed backhand, known for his agility and precision on the court. He excels at baseline rallies and uses his deceptive power and footwork to dictate points against opponents who rely on physicality.

6. Did Learner Tien attend college before turning pro?

Yes, Learner Tien briefly attended the University of Southern California (USC) in 2023 as the No. 1 recruit in his class according to TennisRecruiting.net. He played collegiate tennis for one semester before transitioning fully to professional tennis.

7. Who are Learner Tien’s sponsors?

Learner Tien is sponsored by Adidas for apparel and footwear and Wilson for racquets. These partnerships have supported him throughout his professional career, although he has earned less than $1 million from endorsements so far.

8. What is Learner Tien’s current ATP ranking?

As of March 2025, Learner Tien holds a career-high ATP singles ranking of No. 66. He achieved this milestone following his impressive performance at the Australian Open earlier this year.

9. Does Learner Tien have a girlfriend or family of his own?

As of now, Learner Tien has not publicly disclosed information about having a girlfriend or spouse. He does not have children and prefers to keep his personal life private while focusing on his tennis career.

10. What is Learner Tien’s net worth and career earnings?

Learner Tien’s estimated net worth ranges between $1.2 million and $1.5 million as of 2025, primarily from prize money and endorsements. His career earnings total $1,097,522 as of March 2025, with significant contributions from ATP Challenger titles and Grand Slam performances like the Australian Open run this year.